Table 3.
Application of plant growth-promoting rhizobacteria in mitigating heat stress (↑: Increase Traits, ↓: Decrease Traits).
| References Country Year |
Microbes | Model | Plant | Parameters | MOA | Stress | Effect |
|---|---|---|---|---|---|---|---|
| Abd El-Daim et al. [57] 2014 |
Bacillus amyloliquefaciens UCMB5113 | Field | Triticum aestivum | ↑ Survival * rate | ↓ GR ↓ APX ↓ HPS17 |
Short | Beneficial |
| Rana et al. [54] 2012 |
Curvularia proturberata isolate Cp4666D, Burkholderia phytofirmans PsJN |
Field experiment |
Triticum aestivum, Dichanthelium lanuginosum, Solanum lycopersicum |
Production of IAA, cytokines, protein and ↑ chlorophyll | ↓ Pathogen, ↓ ROS | Heat stress | Beneficial |
| Mitra et al. [59] 2021 |
Bacillus cereus, Pseudomonas, Serratia liquefaciens, P. fluorescens and Pseudomonas putida |
In vitro |
S. lycopersicum L., Cajanus cajan, G. max, and Triticum spp. |
↑ ACC-deaminase, Production, ↑ phytohormone and ↑ antioxidant defense |
Thermal tolerance | High temp | Sustainable |
| Maitra we al. [58] 2011 |
Aeromonas hydrophilla
Serratia liquefaciens Serratia proteamaculans |
In vitro | Glycine max | ↑ Exopolysacchrides production | Thermotolerance | High temp | Remarkable |
| Kang et al. [53] 2019 |
Bacillus tequilensis SSB07 | Experimental | Glycine max | ↑ Gibberellins ↑ IAA and ↑ ABA, jasmonic acid and salicylicacid contents |
Thermotolerant | Moderate | Improvement |
| Ali et al. [55] 2011 |
Pseudomonas putidaAKMP7 | Experimental | Triticum aestivum | ↑ Root and shoot length, ↑ biomass, ↑ SOD, ↑ CAT and APX | Thermotolerant | High | Improvement |
| Ali et al. [56] 2009 |
Pseudomonas AKM-P6 | Experimental | Sorghum | ↑ Cellular metabolites | Thermotolerant | High | Improvement |
| Park et al. [47] 2017 |
Bacillus aryabhattai SRB02 | Experimental | Glycine max | ↑ ABA ↑ IAA, JA, GAs contents, | Fertilizers+ thermotolerance | Medium | Improvement |
| Meena et al. [48] 2015 |
Pseudomonas aeruginosa 2CpS1 | Net house experiment | Triticum aestivum cultivar (HUW-234) | ↑ Plant height and root length, ↑ chlorophyll content, | Mitigation | High | Improvement |
| 2018 | Bacillus amyloliquefaciens | Experimental | Oryza sativa | ↑ Proline, Total Soluble Sugar, ↑ Lipid Peroxidation and over expression of six stress-responsive of dehydrin (DHN), glutathione S- protein 6 (NRAMP6) genes |
↑ Modulated stress-responsive gene expressions ↑ phytohormone |
High | Significant |
| Issa et al. [52] 2018 |
Paraburkholderia phytofirmans PsJN |
Green house experiment | Lycopersicon esculentum | ↑ Growth Biomass Chlorophyll content |
↑ Chlorophyll content, Photosystem II, ↑ Accumulations of sugars, total amino acids, proline, and Malate. |
Thermotolerant | Improvement |